Patent attributes
An improved fastener comprising: a screw element (1) and a cover member (11). The screw element (1) comprising a shank member (2) having comprising a piercing tip (6) at a first end of the shank member and a head (7) at a second end of the shank member. The head of the screw comprising a first recess (9) for releasably engaging an instrument of rotation and a second recess (10) extending from the first recess into the shank member for releasably engaging a shank portion (14) of a cover member (11). The cover member (11) comprising a capping portion (12) having a first face (13), a second face (17) and a shank portion (14) extending substantially orthogonally from the first face (13) of the capping portion (12), the shank portion (14) being releasably engagable with the second recess (10) of the screw element (1).
